Complete problem 20 below, using simulink. You will want to use a ramp block for

Question

Complete problem 20 below, using simulink. You will want to use a ramp block for the input of PG and a scope block to view the output of the equation (remember that you can click on the binoculars in the scope window to resize your plot). Double clicking a block will open up a menu and allow you to change certain options. The simulation length can be set from the Simulation -> Configuration Parameters... menu. Select the proper values for the ramp input as well as the simulation length to ensure that you cover the entire range of PG stated in the book.

You should also label each block with what it represents from the equation. You can do this by clicking on the labels underneath the blocks.

20. The area of the aortic valve, Av in cm^2, can be estimated by the equation (hakki Formula)

Av=Q/(PG)

Where Q is the cardiac output in L/min, and PG is the difference between the left verntricular systolic pressure and the aortic systolic pressure (in mm Hg). Make one plot with two curves of Av versus PG, for 2<PG<60 mm HG, one curve for Q=4L/min and the other for Q=5L/min.

Explanation / Answer

the code is as follows: clc clear all close all Q = [4,5]'; PG = 2:60; AV = Q*(1./sqrt(PG)); plot(AV','linewidth',3) title('Hakki Formula','fontsize',16); legend('Q = 4 [L/min]','Q = 5 [L/min]','location','NE'); xlabel('PG [mmHg]','fontsize',14); ylabel('Aortic Valve Area [cm^2]','fontsize',14);

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